-/*
-
- Nikolai Amelin, Ludmila Malinina, Timur Pocheptsov (C) JINR/Dubna
- amelin@sunhe.jinr.ru, malinina@sunhe.jinr.ru, pocheptsov@sunhe.jinr.ru
- November. 2, 2005
+//
+//
+// Nikolai Amelin, Ludmila Malinina, Timur Pocheptsov (C) JINR/Dubna
+// amelin@sunhe.jinr.ru, malinina@sunhe.jinr.ru, pocheptsov@sunhe.jinr.ru
+// November. 2, 2005
+//
+//
-*/
-
-#ifndef PARTICLE_INCLUDED
-#define PARTICLE_INCLUDED
+#ifndef PARTICLE_H
+#define PARTICLE_H
#include <list>
+#include <iostream>
+using namespace std;
#include <TLorentzRotation.h>
#include <TLorentzVector.h>
#include <TVector3.h>
-#ifndef PARTICLE_PDG
#include "ParticlePDG.h"
-#endif
-#include <iostream>
-
-//class ParticlePDG;
class Particle {
public:
-
Particle(const TLorentzVector &, const TLorentzVector &);
-
Particle(const Particle& copy);
Particle& operator=(const Particle&);
-
virtual ~Particle() {};
Particle(ParticlePDG *pdg = 0);
Particle(ParticlePDG *pdg, const TLorentzVector &pos, const TLorentzVector &mom,
TLorentzVector &Mom(){return fMomentum;}
const TLorentzVector &Mom()const{return fMomentum;}
TLorentzVector &Mom(const TLorentzVector &val){return fMomentum = val;}
+
+ void SetDecayed() {fDecayed = kTRUE;}
+ Bool_t GetDecayed() const {return fDecayed;}
void Boost(const TVector3 &val){fMomentum.Boost(val);}
void Boost(const TLorentzVector &val){fMomentum.Boost(val.BoostVector());}
Int_t Encoding() const;
Double_t TableMass() const;
- ParticlePDG *Def() const {return fParticleProperties;}
- ParticlePDG *Def(ParticlePDG *newProp) {return fParticleProperties = newProp;}
+ ParticlePDG* Def() const {return fParticleProperties;}
+ void Def(ParticlePDG *newProp) {fParticleProperties = newProp;}
//mother
void SetLastMotherPdg(Int_t value){fLastMotherPdg = value;}
Int_t GetLastMotherPdg() const {return fLastMotherPdg;}
// aic(2008/08/08): functions added in order to enable tracking of mother/daughter particles by a unique index
// The index coincides with the position of the particle in the secondaries list.
- Int_t SetIndex() {fIndex = ++fLastIndex; return fIndex;}
+ Int_t SetIndex() {
+ fIndex = ++fgLastIndex;
+ return fIndex;
+ }
Int_t GetIndex() const {return fIndex;}
- static Int_t GetLastIndex() {return fLastIndex;}
- void InitIndexing() {fLastIndex = -1;}
+ static Int_t GetLastIndex() {return fgLastIndex;}
+ static void InitIndexing() {
+ fgLastIndex = -1;
+ }
void SetMother(Int_t value) {fMotherIndex = value;}
Int_t GetMother() const {return fMotherIndex;}
- void SetDaughter(Int_t value) {
- if(fNDaughters==3) {
- std::cout << "Warning in Particle::SetDaughter() Already 3 daughters are set!! Check it out!!" << std::endl;
- return;
- }
- fDaughterIndex[fNDaughters++] = value;
- }
- Int_t GetNDaughters() const {return fNDaughters;}
- Int_t GetDaughter(Int_t value) const {
- if(value<0 || value>fNDaughters-1) {
- std::cout << "Warning in Particle::GetDaughter(Int_t) This particle has " << fNDaughters
- << " daughters. The argument must range from 0 to " << fNDaughters-1 << std::endl;
- return -1;
- }
- return fDaughterIndex[value];
+ void SetFirstDaughterIndex(Int_t index) {fFirstDaughterIndex = index;}
+ void SetLastDaughterIndex(Int_t index) {fLastDaughterIndex = index;}
+ void SetPythiaStatusCode(Int_t code) {fPythiaStatusCode = code;}
+ Int_t GetPythiaStatusCode() const {return fPythiaStatusCode;}
+
+ Int_t GetNDaughters() const {
+ if(fFirstDaughterIndex==-1 || fLastDaughterIndex==-1) return 0;
+ else return fLastDaughterIndex-fFirstDaughterIndex+1;
}
+ Int_t GetFirstDaughterIndex() const {return fFirstDaughterIndex;}
+ Int_t GetLastDaughterIndex() const {return fLastDaughterIndex;}
- // void SetLastMotherDecayCoor(TLorentzVector fLastMotherDecayCoor);
TLorentzVector &SetLastMotherDecayCoor(const TLorentzVector &val){return fLastMotherDecayCoor = val;}
const TLorentzVector &GetLastMotherDecayCoor()const{return fLastMotherDecayCoor;}
- // void SetLastMotherDecayMom(TLorentzVector fLastMotherDecayMom);
TLorentzVector &SetLastMotherDecayMom(const TLorentzVector &val){return fLastMotherDecayMom = val;}
const TLorentzVector &GetLastMotherDecayMom()const{return fLastMotherDecayMom;}
Int_t GetType()const{return fType;}
protected:
- TLorentzVector fPosition;
- TLorentzVector fMomentum;
- TLorentzVector fLastMotherDecayCoor;
- TLorentzVector fLastMotherDecayMom;
- ParticlePDG *fParticleProperties;
- Double_t fLastInteractionTime;
- Int_t fInteractionNumber;
- Int_t fLastMotherPdg;
- Int_t fType; //0-hydro, 1-jets
+ TLorentzVector fPosition; // 4-position vector
+ TLorentzVector fMomentum; // 4-momentum vector
+ TLorentzVector fLastMotherDecayCoor; // 4-position vector of mother
+ TLorentzVector fLastMotherDecayMom; // 4-momentum vector of mother
+ ParticlePDG *fParticleProperties; // particle PDG properties
+ Double_t fLastInteractionTime; // last interaction time
+ Int_t fInteractionNumber; // interaction number
+ Int_t fPythiaStatusCode; // PYTHIA status code
+ Int_t fLastMotherPdg; // mother's PDG code
+ Int_t fType; // particle type: 0-hydro, 1-jets
Int_t fIndex; // index (0 based) of particle in the final particle list which will contain both primaries and secondaries
Int_t fMotherIndex; // index of the mother (-1 if its a primary particle)
Int_t fNDaughters; // number of daughter particles (0 if the particle had not decayed)
- Int_t fDaughterIndex[3]; // array of indexes for the daughter particles (the indexes are -1 for non-existing daughters)
- static Int_t fLastIndex; // the last index assigned
-
+ Int_t fFirstDaughterIndex; // index for the first daughter particle (-1 if non-existing)
+ Int_t fLastDaughterIndex; // index for the last daughter particle (-1 if non-existing)
+ Bool_t fDecayed; // true if the decay procedure already applied
+ static Int_t fgLastIndex; // the last index assigned
};
Double_t S(const TLorentzVector &, const TLorentzVector &);
class ParticleAllocator {
public:
- ParticleAllocator() : fFreeNodes(0) {};
+ ParticleAllocator() : fFreeNodes() {};
void AddParticle(const Particle & particle, List_t & list);
void FreeListNode(List_t & list, LPIT_t it);
void FreeList(List_t & list);
private:
- List_t fFreeNodes;
+ List_t fFreeNodes; // list
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff